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package jdk.graal.compiler.core.test;

import org.junit.Assert;
import org.junit.Test;

import jdk.graal.compiler.jtt.lang.Math_copySign;
import jdk.graal.compiler.nodes.StructuredGraph;
import jdk.graal.compiler.nodes.calc.FloatConvertNode;

public class SqrtCanonicalizationTest extends GraalCompilerTest {
    public static float floatSqrt(float x) {
        return (float) Math.sqrt((double) x);
    }

    @Override
    protected void checkHighTierGraph(StructuredGraph graph) {
        super.checkHighTierGraph(graph);
        Assert.assertEquals("float conversions", 0, graph.getNodes().filter(FloatConvertNode.class).count());
    }

    @Test
    public void testFloatSqrt() {
        for (float f : Math_copySign.FLOAT_VALUES) {
            test("floatSqrt", f);
        }
    }
}
